Home / 10,519.26-15,774.28-3,940.83

Finding the Fourth Proportional to 10,519.26, 15,774.28 and 3,940.83

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Solution

The fourth proportional to 10,519.26, 15,774.28 and 3,940.83 is: 5,909.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519.26 : 15,774.28 = 3,940.83 : x
  2. Step 2: Convert to fraction form
    10,519.26/15,774.28 = 3,940.83/x
  3. Step 3: Cross multiply
    10,519.26x = 15,774.28 × 3,940.83
  4. Step 4: Simplify right side
    10,519.26x = 62,163,755.85
  5. Step 5: Solve for x
    x = 62,163,755.85/10,519.26
  6. Step 6: Final answer
    x = 5,909.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.